However, Kidney still believes that Ireland have everything to play for in the competition.
"This Championship is a long way from being over. France are in London next time up and England still have to go to Wales," Kidney told reporters.
"We just have to go about our business in the three matches we have left and see where we end up.
"When we get our own game right we will be in a good position. We just were not on the money [on Sunday]."
Ireland face Scotland at Murrayfield in their next match of the Six Nations.